J_2024 05 09_West Orange Stormwater Management Plan

Post Development West Orange B_03 01 12 Type III 24-hr 10 yr Rainfall=5.21" Prepared by TRC Engineers, Inc. HvdroCAD® 9,10 s/n 06401 © 2009 HydroCAD Software Solutions LLC Printed 3/14/2012 Page 32 Summary for Pond MH-4: MH4 to MH5 [57] Hint: Peaked at 604.78' (Flood elevation advised) Inflow Area = Inflow = Outflow = Primary = 1.507 ac, 39.97% Impervious, Inflow Depth = 3.90" for 10 yr event 5.58 cfs @ 12.11 hrs, Volume= 0.490 af 5.58 cfs@ 12.11 hrs, Volume= 0.490 af, Atten= 0%, Lag= 0.0 min 5.58 cfs @ 12.11 hrs, Volume= 0.490 af \ Routing by Dyn-Stor-Ind method, Time Span= 0.00-30.00 hrs, dt= 0.01 hrs / 2 Peak Elev= 604.78' @ 12.13 hrs Device Routing #1 Primary Invert Outlet Devices 602.20' 18.0" Round Culvert L= 85.0' Ke= 0.500 Inlet / Outlet lnvert= 602.20’ / 599.90' S= 0.0271 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior Primary OutFlow Max=5.03 cfs @ 12.11 hrs HW=604.65' TW=603.99' (Dynamic Tailwater) ^-1=Culvert (Outlet Controls 5.03 cfs @ 2.84 fps) Pond MH-4: MH4 to MH5 Hydrograph L _ J ------------I _ _ t ----------i ------- L _ l 5 g;a r 5.58 cfs - 4. - - _ J _ __ __ _ I l I Inflow I I Primary | Inflow Area=1.507 ac Peak Elev=604.78' i iii i i i i ------i - - 4 ----------1 - - I -I ------I ----- 4 - 4 I I I I I I I I I I i8.0’ Round Culvert n=0.02Q L-85.0* S=0.0271 7 —i — — i— ♦- s3 r- —i— <— r —» — r mm. m , finii|TrT7p l ii l if»iN^iiip iiTj11 up i m | i i i i|i n nnif|i ni| & ntriri I II [rni|nii|iiii|iiiniimiiinnii|iin|iiii|iiii|iimriii|irrnlTnTTrTiiTTnfTii 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Tima (hours)